Vulnerability · Published Feb 10, 2021 · Assigned by google_android
CVE-2021-0334
High 7.8
In plain English
A high-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 76.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official description
In onTargetSelected of ResolverActivity.java, there is a possible settings bypass allowing an app to become the default handler for arbitrary domains. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-8.1 Android-9 Android-10 Android-11Android ID: A-163358811
Affected products (as reported)
References
- https://source.android.com/security/bulletin/2021-02-01 x_refsource_MISC